Question

6.28×72+2.8×62.8简便算法？

6.28×6.9+3.1×62.8

Answer 1

关于算式6.28×72+2.8×62.8的简便计算，步骤如下：
6.28×72+2.8×62.8
=6.28×（7.2+2.8）
=6.28×10
=62.8

Answer 2

6.28ⅹ72+2.8x62.8=6.28x72+28ⅹ6.28=6.28ⅹ(72+28)=6.28ⅹ100=628

Answer 3

6.28×72+2.8×62.8的简便算法：
6.28×72+2.8×62.8
=6.28×72+28×6.28
=6.28×（72+28）
=6.28×100
=628

Answer 4

亲，先算乘除法后算加减法